Terms & Conditions: Terms and conditions of booking and travel apply. £149 car + 1 fare based on night time Irish Sea sailings Tue/Wed at off peak times, booked 32 days in advance of travel. Subject to availability. Charges, administrative dues and all fees are fixed amounts and are excluded from discounts and promotional offers. Promotional and Sale fares may attract special terms & conditions for amendments / cancellations. Irish Ferries reserve the right to withdraw or amend offers at any time.